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Psychological interventions improve quality of life despite persistent pain in endometriosis: results of a 3-armed randomized controlled trial

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

DOI

Purpose: Despite standard medical treatment endometriosis is often associated with disabling pain and poor quality of life (QoL). Studies indicate that psychological interventions (PIs) may improve pain and QoL, yet studies on the effects of PIs for women with endometriosis are sparse and limited by low-quality study designs. Therefore, this study aimed, in a rigorous three-armed design, to evaluate the effect of PIs on chronic pelvic pain (CPP) and QoL in women with endometriosis. Methods: This three-armed parallel, multi-center randomized controlled trial included fifty-eight endometriosis patients reporting severe CPP [≥ 5 for pain intensity measured on a 0–10-point numeric rating scale (NRS)]. Patients were randomly assigned to (1) Specific mindfulness- and acceptance-based psychological intervention (MY-ENDO), (2) Carefully matched non-specific psychological intervention (Non-specific), or (3) A wait-list control group (WL). The primary outcome was pelvic pain intensity/unpleasantness measured on NRS. Secondary outcomes included endometriosis-related quality of life, workability, pain acceptance, and endometriosis-related symptoms. Differences in outcomes between groups at post-treatment follow-up were analyzed using mixed linear models. Analyses were performed on an intention-to-treat basis. Results: Compared to WL, psychological intervention (MY-ENDO + Non-specific) did not significantly reduce pain. However, psychological intervention did significantly improve the QoL-subscales ‘control and powerlessness’, ‘emotional well-being’, and ‘social support’ as well as the endometriosis-related symptoms ‘dyschezia’ and ‘constipation’. MY-ENDO was not superior to Non-specific. Conclusions: Women with endometriosis may have significant and large effects of psychological intervention on QoL despite an ongoing experience of severe CPP. Trial registration: 12 April 2016, clinicaltrials.gov (NCT02761382), retrospectively registered.

OriginalsprogEngelsk
TidsskriftQuality of Life Research
Vol/bind32
Nummer6
Sider (fra-til)1727-1744
Antal sider18
ISSN0962-9343
DOI
StatusUdgivet - jun. 2023

Bibliografisk note

Funding Information:
This work was supported by a donation from TrygFonden, a donation from Ladywalk, and a donation from the Danish Endometriosis Patient Association, a non-governmental organization run by women with endometriosis.

Publisher Copyright:
© 2023, The Author(s).

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